PHYSICS MULTIPLE CHOICE QUESTIONS SET 29

PHYSICS   

MULTIPLE CHOICE QUESTIONS SET 29

1. L.P.G. is mostly liquefied
A.  Butane          
B.  Methane                    
C.  Hydrogen                         
D.  Oxygen
Answer: A (Butane)
 
2. Sound cannot travel through
A.  Gases            
B.  Solids                      
C.  Vacuum                           
D.  Liquids
Answer: C (Vacuum)
 
3. Light from the sun reaches earth in about
A.  2 minutes                
B.  4 minutes                   
C.  8 minutes                      
D.  16 minutes
Answer: C (8 minutes)
 
4. Pyrometer is used to measure
A.  Humidity          
B.  High temperature              
C.  Air pressure          
D.  Intensity of earthquake
Answer: B (High temperature)
 
5. What is the source of electrical energy in an artificial satellite?
A.  Solar cell             
B.  Thermopile        
C.  Mini nuclear reactor             
D.  Dynamo
Answer: A (Solar cell)
 
6. The least distance of distinct vision for human eye is
A.  5 cm              
B.  25 cm                     
C.  75 cm                
D.  100 cm
Answer: B (25 cm)
 
7. What is MRI?
A.  Magnetic Resonance Imaging                 
B.  Magnetic Record of Intestines
C.  Magnetic Resonance in Intestines                 
D.  Magnetic Recording of Investigations
Answer: A (Magnetic Resonance Imaging)
 
8. Which mirror is used as a rear view mirror in the vehicles?
A.  Plane               
B.  Convex                   
C.  Concave                   
D.  Plano concave
Answer: B (Convex) 
9. Photoelectric effect was discovered by
A.  Hertz            
B.  Plank                   
C.  Bohr                 
D.  Einstein
Answer: D (Einstein)
 
10. Who was the inventor of gravitational force?
A.  JJ. Thomson     
B.  Newton          
C.  Faraday      
D.  Edison
Answer: B (Newton)